Add option to include marker in permalinks

[rails.git] / app / assets / javascripts / leaflet.share.js

diff --git a/app/assets/javascripts/leaflet.share.js b/app/assets/javascripts/leaflet.share.js
index bea877e6686c0da8be68412fd808cc5c55f1e5e4..d55b0bbd9ffea032d2d38fee65b173c379f406c4 100644 (file)
--- a/app/assets/javascripts/leaflet.share.js
+++ b/app/assets/javascripts/leaflet.share.js
@@ -1,5 +1,10 @@
 L.OSM.share = function (options) {
 L.OSM.share = function (options) {

-  var control = L.control(options);
+  var control = L.control(options),
+    marker = L.marker([0, 0], {draggable: true}),
+    locationFilter = new L.LocationFilter({
+      enableButton: false,
+      adjustButton: false
+    });

 
   control.onAdd = function (map) {
     var $container = $('<div>')
 
   control.onAdd = function (map) {
     var $container = $('<div>')


@@ -29,6 +34,8 @@ L.OSM.share = function (options) {
         $('<h4>')
           .text(I18n.t('javascripts.share.title')));
 
         $('<h4>')
           .text(I18n.t('javascripts.share.title')));
 

+    // Link
+

     var $linkSection = $('<div>')
       .attr('class', 'section share-link')
       .appendTo($ui);
     var $linkSection = $('<div>')
       .attr('class', 'section share-link')
       .appendTo($ui);


@@ -37,6 +44,23 @@ L.OSM.share = function (options) {
       .text(I18n.t('javascripts.share.link'))
       .appendTo($linkSection);
 
       .text(I18n.t('javascripts.share.link'))
       .appendTo($linkSection);
 

+    var $form = $('<form>')
+      .attr('class', 'standard-form')
+      .appendTo($linkSection);
+
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append(
+        $('<label>')
+          .attr('for', 'link_marker')
+          .append(
+            $('<input>')
+              .attr('id', 'link_marker')
+              .attr('type', 'checkbox')
+              .bind('change', toggleMarker))
+          .append(I18n.t('javascripts.share.include_marker')));
+

     var $shortLink, $longLink;
 
     $('<ul>')
     var $shortLink, $longLink;
 
     $('<ul>')


@@ -48,26 +72,243 @@ L.OSM.share = function (options) {
         .append($shortLink = $('<a>')
           .text(I18n.t('javascripts.share.short_link'))));
 
         .append($shortLink = $('<a>')
           .text(I18n.t('javascripts.share.short_link'))));
 

+    // Embeddable HTML
+
+    var $embedSection = $('<div>')
+      .attr('class', 'section share-html')
+      .appendTo($ui);
+
+    $('<h4>')
+      .text(I18n.t('javascripts.share.embed'))
+      .appendTo($embedSection);
+
+    $form = $('<form>')
+      .attr('class', 'standard-form')
+      .appendTo($embedSection);
+
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append(
+        $('<label>')
+          .attr('for', 'embed_marker')
+          .append(
+            $('<input>')
+              .attr('id', 'embed_marker')
+              .attr('type', 'checkbox')
+              .bind('change', toggleMarker))
+          .append(I18n.t('javascripts.share.include_marker')));
+
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append(
+        $('<textarea>')
+          .attr('id', 'embed_html')
+          .on('click', select));
+
+    $('<p>')
+      .attr('class', 'deemphasize')
+      .text(I18n.t('javascripts.share.paste_html'))
+      .appendTo($embedSection);
+
+    // Image
+
+    var $imageSection = $('<div>')
+      .attr('class', 'section share-image')
+      .appendTo($ui);
+
+    $('<h4>')
+      .text(I18n.t('javascripts.share.image'))
+      .appendTo($imageSection);
+
+    $form = $('<form>')
+      .attr('class', 'standard-form')
+      .attr('action', '/export/finish')
+      .attr('method', 'post')
+      .appendTo($imageSection);
+
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append(
+        $('<label>')
+          .attr('for', 'image_filter')
+          .append(
+            $('<input>')
+              .attr('id', 'image_filter')
+              .attr('type', 'checkbox')
+              .bind('change', toggleFilter))
+          .append(I18n.t('javascripts.share.custom_dimensions')));
+
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append(
+        $('<label>')
+          .attr('class', 'standard-label')
+          .attr('for', 'mapnik_format')
+          .text(I18n.t('javascripts.share.format')))
+      .append($('<select>')
+        .attr('name', 'mapnik_format')
+        .attr('id', 'mapnik_format')
+        .append($('<option>').val('png').text('PNG').prop('selected', true))
+        .append($('<option>').val('jpeg').text('JPEG'))
+        .append($('<option>').val('svg').text('SVG'))
+        .append($('<option>').val('pdf').text('PDF')));
+
+    $('<div>')
+      .attr('class', 'form-row')
+      .appendTo($form)
+      .append($('<label>')
+        .attr('class', 'standard-label')
+        .attr('for', 'mapnik_scale')
+        .text(I18n.t('javascripts.share.scale')))
+      .append('1 : ')
+      .append($('<input>')
+        .attr('name', 'mapnik_scale')
+        .attr('id', 'mapnik_scale')
+        .attr('type', 'text')
+        .on('change', update));
+
+    ['minlon', 'minlat', 'maxlon', 'maxlat'].forEach(function(name) {
+      $('<input>')
+        .attr('id', 'mapnik_' + name)
+        .attr('name', name)
+        .attr('type', 'hidden')
+        .appendTo($form);
+    });
+
+    $('<input>')
+      .attr('name', 'format')
+      .attr('value', 'mapnik')
+      .attr('type', 'hidden')
+      .appendTo($form);
+
+    $('<p>')
+      .attr('class', 'deemphasize')
+      .html(I18n.t('javascripts.share.image_size') + ' <span id="mapnik_image_width"></span> x <span id="mapnik_image_height"></span>')
+      .appendTo($form);
+
+    $('<input>')
+      .attr('type', 'submit')
+      .attr('value', I18n.t('javascripts.share.download'))
+      .appendTo($form);
+
+    locationFilter
+      .on('change', update)
+      .addTo(map);
+

     map.on('moveend layeradd layerremove', update);
     map.on('moveend layeradd layerremove', update);

+    marker.on('dragend', update);

 
     options.sidebar.addPane($ui);
 
     function toggle(e) {
       e.stopPropagation();
       e.preventDefault();
 
     options.sidebar.addPane($ui);
 
     function toggle(e) {
       e.stopPropagation();
       e.preventDefault();

+
+      $('#mapnik_scale').val(getScale());
+      marker.setLatLng(map.getCenter());
+
+      update();

       options.sidebar.togglePane($ui);
       options.sidebar.togglePane($ui);

+    }
+
+    function toggleMarker() {
+      if ($(this).is(':checked')) {
+        map.addLayer(marker);
+      } else {
+        map.removeLayer(marker);
+      }
+      update();
+    }
+
+    function toggleFilter() {
+      if ($(this).is(':checked')) {
+        if (!locationFilter.getBounds().isValid()) {
+          locationFilter.setBounds(map.getBounds().pad(-0.2));
+        }
+
+        locationFilter.enable();
+      } else {
+        locationFilter.disable();
+      }

       update();
     }
 
     function update() {
       update();
     }
 
     function update() {

-      $shortLink.attr('href', map.getShortUrl());
-      $longLink.attr('href', map.getUrl());
+      var bounds = map.getBounds();
+
+      $('#link_marker, #embed_marker')
+        .prop('checked', map.hasLayer(marker));
+
+      // Link
+
+      $shortLink.attr('href', map.getShortUrl(marker));
+      $longLink.attr('href', map.getUrl(marker));
+
+      // Embed
+
+      var params = {
+        bbox: bounds.toBBoxString(),
+        layer: map.getMapBaseLayerId()
+      };
+
+      if (map.hasLayer(marker)) {
+        params.marker = marker.getLatLng().lat + ',' + marker.getLatLng().lng;
+      }
+
+      $('#embed_html').val(
+        '<iframe width="425" height="350" frameborder="0" scrolling="no" marginheight="0" marginwidth="0" src="' +
+          'http://' + OSM.SERVER_URL + '/export/embed.html?' + $.param(params) +
+          '" style="border: 1px solid black"></iframe><br/>' +
+          '<small><a href="' + map.getUrl(marker) + '</a></small>');
+
+      // Image
+
+      if (locationFilter.isEnabled()) {
+        bounds = locationFilter.getBounds();
+      }
+
+      var scale = $("#mapnik_scale").val(),
+        size = L.bounds(L.CRS.EPSG3857.project(bounds.getSouthWest()),
+                        L.CRS.EPSG3857.project(bounds.getNorthEast())).getSize(),
+        maxScale = Math.floor(Math.sqrt(size.x * size.y / 0.3136));
+
+      $('#mapnik_minlon').val(bounds.getWest());
+      $('#mapnik_minlat').val(bounds.getSouth());
+      $('#mapnik_maxlon').val(bounds.getEast());
+      $('#mapnik_maxlat').val(bounds.getNorth());
+
+      if (scale < maxScale) {
+        scale = roundScale(maxScale);
+        $("#mapnik_scale").val(scale);
+      }
+
+      $("#mapnik_image_width").text(Math.round(size.x / scale / 0.00028));
+      $("#mapnik_image_height").text(Math.round(size.y / scale / 0.00028));

     }
 
     function select() {
       $(this).select();
     }
 
     }
 
     function select() {
       $(this).select();
     }
 

+    function getScale() {
+      var bounds = map.getBounds(),
+        centerLat = bounds.getCenter().lat,
+        halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180),
+        meters = halfWorldMeters * (bounds.getEast() - bounds.getWest()) / 180,
+        pixelsPerMeter = map.getSize().x / meters,
+        metersPerPixel = 1 / (92 * 39.3701);
+      return Math.round(1 / (pixelsPerMeter * metersPerPixel));
+    }
+
+    function roundScale(scale) {
+      var precision = 5 * Math.pow(10, Math.floor(Math.LOG10E * Math.log(scale)) - 2);
+      return precision * Math.ceil(scale / precision);
+    }
+

     return $container[0];
   };
 
     return $container[0];
   };